[ 15.309654][ C2] [ 15.309826][ C2] ================================ [ 15.310073][ C2] WARNING: inconsistent lock state [ 15.310328][ C2] 6.15.0-virtme #1 Not tainted [ 15.310579][ C2] -------------------------------- [ 15.310811][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 15.311119][ C2] swapper/2/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 15.311429][ C2] ffffffffa09c5af8 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 15.311809][ C2] {SOFTIRQ-ON-W} state was registered at: [ 15.312035][ C2] __lock_acquire+0x20b/0x7e0 [ 15.312259][ C2] lock_acquire.part.0+0xb6/0x240 [ 15.312469][ C2] _raw_spin_lock+0x33/0x40 [ 15.312670][ C2] simple_pin_fs+0x24/0x150 [ 15.312883][ C2] start_creating.part.0+0x52/0x310 [ 15.313094][ C2] debugfs_create_dir+0x6a/0x540 [ 15.313314][ C2] component_debug_init+0x17/0x30 [ 15.313547][ C2] do_one_initcall+0x8f/0x1e0 [ 15.313758][ C2] do_initcalls+0x176/0x280 [ 15.313970][ C2] kernel_init_freeable+0x22d/0x300 [ 15.314180][ C2] kernel_init+0x20/0x200 [ 15.314387][ C2] ret_from_fork+0x240/0x320 [ 15.314603][ C2] ret_from_fork_asm+0x1a/0x30 [ 15.314822][ C2] irq event stamp: 244414 [ 15.314993][ C2] hardirqs last enabled at (244414): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 15.315443][ C2] hardirqs last disabled at (244413): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 15.315874][ C2] softirqs last enabled at (243646): [] handle_softirqs+0x358/0x620 [ 15.316252][ C2] softirqs last disabled at (243665): [] __irq_exit_rcu+0xfa/0x160 [ 15.316639][ C2] [ 15.316639][ C2] other info that might help us debug this: [ 15.316998][ C2] Possible unsafe locking scenario: [ 15.316998][ C2] [ 15.317342][ C2] CPU0 [ 15.317532][ C2] ---- [ 15.317721][ C2] lock(pin_fs_lock); [ 15.317917][ C2] [ 15.318096][ C2] lock(pin_fs_lock); [ 15.318292][ C2] [ 15.318292][ C2] *** DEADLOCK *** [ 15.318292][ C2] [ 15.318639][ C2] 1 lock held by swapper/2/0: [ 15.318852][ C2] #0: ffffffffa07774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 15.319243][ C2] [ 15.319243][ C2] stack backtrace: [ 15.319496][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 15.319502][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.319504][ C2] Call Trace: [ 15.319506][ C2] [ 15.319510][ C2] dump_stack_lvl+0x82/0xd0 [ 15.319516][ C2] print_usage_bug.part.0+0x25f/0x360 [ 15.319523][ C2] mark_lock_irq+0x343/0x400 [ 15.319527][ C2] ? __pfx_unwind_next_frame+0x10/0x10 [ 15.319533][ C2] ? save_trace+0x52/0x170 [ 15.319537][ C2] mark_lock+0x174/0x2f0 [ 15.319541][ C2] mark_usage+0x46/0x150 [ 15.319544][ C2] __lock_acquire+0x20b/0x7e0 [ 15.319547][ C2] ? __lock_acquire+0x44d/0x7e0 [ 15.319552][ C2] lock_acquire.part.0+0xb6/0x240 [ 15.319555][ C2] ? simple_pin_fs+0x24/0x150 [ 15.319560][ C2] ? rcu_is_watching+0x12/0xc0 [ 15.319565][ C2] ? lock_acquire+0x10c/0x170 [ 15.319568][ C2] ? simple_pin_fs+0x24/0x150 [ 15.319572][ C2] _raw_spin_lock+0x33/0x40 [ 15.319576][ C2] ? simple_pin_fs+0x24/0x150 [ 15.319578][ C2] simple_pin_fs+0x24/0x150 [ 15.319581][ C2] debugfs_remove+0x35/0x70 [ 15.319586][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 15.319590][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 15.319593][ C2] ? __sk_destruct+0x383/0x780 [ 15.319599][ C2] ? rcu_do_batch+0x34c/0xf20 [ 15.319602][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 15.319604][ C2] ? irq_exit_rcu+0xe/0x30 [ 15.319609][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 15.319614][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 15.319618][ C2] ? pv_native_safe_halt+0xf/0x20 [ 15.319621][ C2] ? default_idle+0x9/0x10 [ 15.319623][ C2] ? default_idle_call+0x6d/0xb0 [ 15.319626][ C2] ? cpuidle_idle_call+0x26f/0x3a0 [ 15.319630][ C2] ? do_idle+0xf6/0x160 [ 15.319633][ C2] ? cpu_startup_entry+0x54/0x60 [ 15.319636][ C2] ? start_secondary+0x213/0x2a0 [ 15.319639][ C2] ? common_startup_64+0x13e/0x148 [ 15.319646][ C2] __put_net+0x19/0x60 [ 15.319651][ C2] __sk_destruct+0x58a/0x780 [ 15.319655][ C2] ? rcu_do_batch+0x34a/0xf20 [ 15.319658][ C2] rcu_do_batch+0x34c/0xf20 [ 15.319661][ C2] ? find_held_lock+0x2b/0x80 [ 15.319665][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 15.319668][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 15.319672][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 15.319676][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 15.319681][ C2] rcu_core+0x2bb/0x500 [ 15.319686][ C2] handle_softirqs+0x218/0x620 [ 15.319692][ C2] __irq_exit_rcu+0xfa/0x160 [ 15.319697][ C2] irq_exit_rcu+0xe/0x30 [ 15.319701][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 15.319706][ C2] [ 15.319707][ C2] [ 15.319710][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 15.319713][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 15.319718][ C2] Code: a2 b4 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 17 0f 00 fb f4 fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 15.319721][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246 [ 15.319724][ C2] RAX: 000000000003b7cf RBX: 1ffff92000028fc1 RCX: ffffffff9f7a25d9 [ 15.319727][ C2] RDX: 0000000000000000 RSI: ffffffffa029175c RDI: ffffffff9fa53ca0 [ 15.319729][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005ea66fa [ 15.319730][ C2] R10: ffff88802f5337d3 R11: ffffffffa0411288 R12: 0000000000000000 [ 15.319732][ C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000 [ 15.319736][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 15.319741][ C2] default_idle+0x9/0x10 [ 15.319743][ C2] default_idle_call+0x6d/0xb0 [ 15.319746][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 15.319750][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 15.319754][ C2] ? tsc_verify_tsc_adjust+0x98/0x310 [ 15.319760][ C2] do_idle+0xf6/0x160 [ 15.319766][ C2] cpu_startup_entry+0x54/0x60 [ 15.319771][ C2] start_secondary+0x213/0x2a0 [ 15.319776][ C2] ? __pfx_start_secondary+0x10/0x10 [ 15.319781][ C2] common_startup_64+0x13e/0x148 [ 15.319788][ C2] [ 15.340187][ C2] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 15.340813][ C2] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/2 [ 15.341359][ C2] preempt_count: 101, expected: 0 [ 15.341599][ C2] RCU nest depth: 0, expected: 0 [ 15.341835][ C2] INFO: lockdep is turned off. [ 15.342078][ C2] Preemption disabled at: [ 15.342080][ C2] [<0000000000000000>] 0x0 [ 15.342489][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 15.342494][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.342497][ C2] Call Trace: [ 15.342499][ C2] [ 15.342502][ C2] dump_stack_lvl+0xb0/0xd0 [ 15.342512][ C2] __might_resched+0x360/0x5a0 [ 15.342524][ C2] down_write+0x72/0x210 [ 15.342528][ C2] ? __pfx_down_write+0x10/0x10 [ 15.342530][ C2] ? simple_recursive_removal+0x33/0x610 [ 15.342536][ C2] ? rcu_is_watching+0x12/0xc0 [ 15.342542][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 15.342546][ C2] simple_recursive_removal+0x6a/0x610 [ 15.342549][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 15.342552][ C2] ? __pfx_remove_one+0x10/0x10 [ 15.342558][ C2] debugfs_remove+0x44/0x70 [ 15.342561][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 15.342565][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 15.342568][ C2] ? __sk_destruct+0x383/0x780 [ 15.342574][ C2] ? rcu_do_batch+0x34c/0xf20 [ 15.342578][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 15.342582][ C2] ? irq_exit_rcu+0xe/0x30 [ 15.342590][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 15.342595][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 15.342600][ C2] ? pv_native_safe_halt+0xf/0x20 [ 15.342603][ C2] ? default_idle+0x9/0x10 [ 15.342606][ C2] ? default_idle_call+0x6d/0xb0 [ 15.342609][ C2] ? cpuidle_idle_call+0x26f/0x3a0 [ 15.342613][ C2] ? do_idle+0xf6/0x160 [ 15.342616][ C2] ? cpu_startup_entry+0x54/0x60 [ 15.342619][ C2] ? start_secondary+0x213/0x2a0 [ 15.342623][ C2] ? common_startup_64+0x13e/0x148 [ 15.342631][ C2] __put_net+0x19/0x60 [ 15.342635][ C2] __sk_destruct+0x58a/0x780 [ 15.342639][ C2] ? rcu_do_batch+0x34a/0xf20 [ 15.342642][ C2] rcu_do_batch+0x34c/0xf20 [ 15.342645][ C2] ? find_held_lock+0x2b/0x80 [ 15.342649][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 15.342653][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 15.342658][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 15.342661][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 15.342666][ C2] rcu_core+0x2bb/0x500 [ 15.342671][ C2] handle_softirqs+0x218/0x620 [ 15.342676][ C2] __irq_exit_rcu+0xfa/0x160 [ 15.342680][ C2] irq_exit_rcu+0xe/0x30 [ 15.342683][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 15.342686][ C2] [ 15.342687][ C2] [ 15.342689][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 15.342692][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 15.342696][ C2] Code: a2 b4 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 17 0f 00 fb f4 fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 15.342698][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246 [ 15.342702][ C2] RAX: 000000000003b7cf RBX: 1ffff92000028fc1 RCX: ffffffff9f7a25d9 [ 15.342704][ C2] RDX: 0000000000000000 RSI: ffffffffa029175c RDI: ffffffff9fa53ca0 [ 15.342706][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005ea66fa [ 15.342708][ C2] R10: ffff88802f5337d3 R11: ffffffffa0411288 R12: 0000000000000000 [ 15.342709][ C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000 [ 15.342713][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 15.342718][ C2] default_idle+0x9/0x10 [ 15.342720][ C2] default_idle_call+0x6d/0xb0 [ 15.342723][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 15.342726][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 15.342730][ C2] ? tsc_verify_tsc_adjust+0x98/0x310 [ 15.342735][ C2] do_idle+0xf6/0x160 [ 15.342739][ C2] cpu_startup_entry+0x54/0x60 [ 15.342742][ C2] start_secondary+0x213/0x2a0 [ 15.342745][ C2] ? __pfx_start_secondary+0x10/0x10 [ 15.342750][ C2] common_startup_64+0x13e/0x148 [ 15.342758][ C2]